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1968-Present E-Series Van/Cutaway/Chassis Econolines. E150, E250, E350, E450 and E550

1995 E150 transmission problem

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Old Jan 22, 2022 | 01:24 PM
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1995 E150 transmission problem

I have a 1995 E150 conversion van that ran fabulously until the battery was dead and had to be jumped. After that it needed a new ECM. It sat for a year during this time. After that the speed control sensor had to be replaced and it began shifting erratically intermittently. It may not have a problem for 2-6 hours then start shifting hard or not shift into second. Then park overnight and it may be fine again the next day. After several days of driving it seems to have more problems. Then it will be fine after sitting several days.
I love this old van. I have had it to the ford dealer. Who thought they had it fixed but then after a long drive it started up again.
Any ideas?
 
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Old Jan 23, 2022 | 07:21 AM
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Take it back to the dealer and demand they take another look OR refund you money, find a competent transmission shop to diagnose the issues.

This could all be related to the replaced ECM.
 
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Old Jan 23, 2022 | 08:21 AM
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Originally Posted by Cobraconversion
After that the speed control sensor had to be replaced and it began shifting erratically intermittently.
What is a speed control sensor? I'm not familiar with that term.

Whatever it is, it sure seems like the new sensor is the problem. If I am reading this right the problem started when that sensor was replaced.
 
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Old Jan 23, 2022 | 12:48 PM
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The speed sensor was replaced because the ecm threw a speed sensor code. The check engine light has not come back on since the new ecm was installed. Then the van was driven over 6 hours only stopping for gas before the transmission started acting funny again. Would the transmission be going bad and run smoothly for that long?
No it was acting up before the sensor was changed.
 

Last edited by Cobraconversion; Jan 23, 2022 at 01:22 PM.
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Old Jan 23, 2022 | 03:18 PM
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Are there any codes stored?

What speed sensor code was set? What speed sensor was changed? I've never heard of a speed control sensor.
 
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